# LEHIGH SOUTHWEST CEMENT COMPANY, CUPERTINO CA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 88/100

| Field | Value |
|---|---|
| Facility | LEHIGH SOUTHWEST CEMENT COMPANY |
| EPA Registry ID | 110000484039 |
| Address | 24001 STEVENS CREEK BLVD, CUPERTINO, CA, 95014 |
| County | SANTA CLARA |
| Industry (NAICS) | 327310: Cement Manufacturing |
| SIC | 1422: Crushed And Broken Limestone, 3241: Cement, Hydraulic |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | No Violation Identified |
| Clean Air Act | Violation Unaddressed; Local Has Lead Enforcement |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 7 |
| Total penalties | $441,810 |
| Last penalty | 10/21/2025 |
| Inspections (5 years) | 4 |
| Last inspection | 2025-06-20 |
| Watershed | Coyote |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Current violation under CAA.
- 7 formal enforcement action(s) in 5 years.
- $441,810 in penalties: remediation has a clear cost of inaction.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000484039). Last refreshed: 2026-11-04T18:09:33.420Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.